Yes, we need altcoins. Not all of them, of course - there are many of them that can't be called other than trash. But there are projects and ICOs like disciplina.io or well, that can be really profitable and can change the world.
It's really interesting what it will be like..Imean the idea of teachmeplease is cool cause it will help lots of people to find good tutor or offer their service ..so, I'm looking forward to check the result